KR102462848B1 - Virtual or augmented reality headsets having adjustable interpupillary distance - Google Patents

Abstract

Virtual or augmented reality headsets are provided having a frame, a pair of virtual or augmented reality eyepieces, and a pupillary distance adjustment mechanism. The frame includes opposing arm members, a bridge positioned intermediate the opposing arm members, and one or more linear rails. The adjustment mechanism is coupled to the virtual or augmented reality eyepieces and is operable to simultaneously move the eyepieces in adjustment directions aligned with the plurality of linear rails to adjust a pupillary distance of the eyepieces.

Description

Virtual or augmented reality headsets with adjustable pupillary distance {VIRTUAL OR AUGMENTED REALITY HEADSETS HAVING ADJUSTABLE INTERPUPILLARY DISTANCE}

This disclosure relates generally to virtual or augmented reality headsets, and more particularly to virtual or augmented reality headsets in which the interpupillary distance of the eyepieces is adjustable.

Virtual or augmented reality headsets are used in scientific visualization, medical and military training, engineering design and prototyping, tele-manipulation and tele-presence, And it has long proven to be very useful for many applications, spanning the fields of personal entertainment systems. In virtual reality systems, computer-generated virtual scenes are typically presented on an opaque display. In mixed and augmented reality systems, computer-generated virtual scenes or objects are combined with views of a real-world scene on a see-through display. In many virtual or augmented reality headsets, virtual or augmented scenes are displayed on separate eyepieces. The pupil distance between the optical centers of these eyepieces is often fixed, and corrections that may be required to adjust for changes of users with different pupil distances are made via software to provide calibrated display adjustments. . In some examples, the pupillary distance between the optical centers of the eyepieces may be mechanically adjustable; However, in such examples, the adjustment devices may suffer from various disadvantages. For example, adjustment mechanisms may be very complex, large, lack precision, and/or include a limited range of motion.

Embodiments described herein provide virtual or augmented reality with robust and efficient form factors that enable simultaneous movement of viewer eyepieces along one or more linear rails to provide pupillary distance adjustment. Headsets are provided.

A virtual or augmented reality headset may be summarized as comprising a frame, a pair of virtual or augmented reality eyepieces, and an adjustment mechanism coupled to both of the pair of virtual or augmented reality eyepieces. The frame may include opposing arm members, a bridge positioned intermediate the opposing arm members, and a plurality of linear rails. One or more linear rails may be provided on each of opposite sides of the frame defined by a central reference surface. Each of the pair of virtual or augmented reality eyepieces has an optical core and may be movably coupled to a plurality of linear rails of the frame to enable adjustment of a pupillary distance between the optical cores. The adjustment mechanism may also be operable to simultaneously move the pair of virtual or augmented reality eyepieces in adjustment directions aligned with the plurality of linear rails to adjust the interpupillary distance.

The virtual or augmented reality eyepieces may be movable between the narrowest configuration and the widest configuration, and the difference between the pupil distance in the widest configuration and the pupil distance in the narrowest configuration may be between about 20 mm and about 24 mm. .

The adjustment mechanism may be coupled to the bridge of the frame and at the same time an operable actuator coupled to the virtual or augmented reality eyepieces to selectively adjust the linear position of the respective virtual or augmented reality eyepieces. ) may be included. The frame may further include a lock to selectively secure the virtual or augmented reality eyepieces in a selected linear position along the plurality of linear rails.

The adjustment mechanism may include an operable actuator that is manually actuable by a user, and one or more links may physically couple the operable actuator to the virtual or augmented reality eyepieces. . The headset further comprises a selectively removable cover selectively positionable by a user to alternatively perform preventing access to the operable actuator and providing access to the operable actuator. may include The operable actuator may be constrained to translate back and forth in directions perpendicular to the adjustment directions aligned with the plurality of linear rails, and movement of the operable actuator in one direction is expanded. ) may move the virtual or augmented reality eyepieces toward a configuration, while movement of the operable actuator in the opposite direction may move the virtual or augmented reality eyepieces toward a collapsed configuration. The operable actuator may be accessible to the user while the headset is put on.

The adjustment mechanism may include one or more linear actuators, such as, for example, a piezoelectric linear actuator or a motor-driven lead screw.

The bridge of the frame may include a nosepiece for engaging the user's nose and supporting the virtual or augmented reality eyepieces in front of the user's eyes. The nosepiece may be removably coupleable to the base portion of the bridge to selectively lock the virtual or augmented reality eyepieces in a selected position.

Each of the virtual or augmented reality eyepieces may be arcuate and may include a central end and a lateral end. The central end may be positioned closest to the bridge of the frame, and the lateral end may be positioned closest to the temple region of each of the opposing arm members. The frame may be positioned on each of the central reference planes to at least partially nest each one of the virtual or augmented reality eyepieces when the virtual or augmented reality eyepieces are in a fully collapsed or narrowest configuration with minimal pupillary distance. It may include respective arcuate profiles on opposite sides. The plurality of linear rails may include two or more linear rails on opposite sides of each frame for guiding each one of the virtual or augmented reality eyepieces, and, for each of the opposite sides of the frame, a linear A first one of the rails may be positioned closest to the bridge to guide the central end of the respective virtual or augmented reality eyepieces, and a second one of the linear rails is a lateral end of each virtual or augmented reality eyepiece. It can be positioned closest to the temple area to guide Each of the virtual or augmented reality eyepieces may be coupled to two or more linear rails that are offset fore and aft from each other.

The plurality of linear rails of the frame may include two or more linear rails on opposite sides of each frame for guiding each one of the virtual or augmented reality eyepieces, and for each of the opposite sides of the frame , the two linear rails may be positioned closest to the bridge to guide the central end of the respective virtual or augmented reality eyepieces, and may support each virtual or augmented reality eyepiece in a cantilevered manner.

The plurality of linear rails of the frame may include two or more linear rails on respective opposite sides of the frame that are vertically offset from each other to guide a respective one of the virtual or augmented reality eyepieces. For each of the opposite sides of the frame, the two or more linear rails and the arm member may form a fork structure. For each of the opposite sides of the frame, the two or more linear rails and a portion of the bridge may form a forked structure supporting a respective one of the virtual or augmented reality eyepieces.

Each of the virtual or augmented reality eyepieces may be supported by a single respective linear rail underneath the eyepiece, and may only be supported in space by a connection to a single respective linear rail. In other examples, each of the virtual or augmented reality eyepieces may be supported by a single respective linear rail positioned above a horizontal plane defined by the optical centers of the pair of virtual or augmented reality eyepieces, and only a single respective linear rail It can only be supported spaced apart by a connection to the rail.

The bridge and the plurality of rails of the frame may be integrally formed as a single-piece. The bridge of the frame, the opposing arm members and the plurality of rails may be integrally formed as a single-piece.

The frame may further include a central frame portion comprising a bridge, and the opposing arm members may be hingedly connected to the central frame portion.

1 is a perspective view of a headset according to an embodiment;
FIG. 2 is a top plan view of a portion of the headset of FIG. 1 shown in a collapsed configuration;
FIG. 3 is a top plan view of a portion of the headset of FIG. 1 shown in an expanded configuration;
Fig. 4 is a top plan view of the headset of Fig. 1 shown in a collapsed configuration;
5 is a front elevational view of the headset of FIG. 1 shown in a collapsed configuration;
6 is a side elevational view of the headset of FIG. 1 shown in a collapsed configuration;
7 is a perspective view of a headset according to another embodiment.
8 is a front elevational view of the headset of FIG. 7 shown in a collapsed configuration;
9 is a front elevational view of the headset of FIG. 7 shown in an unfolded configuration;
10 is a top plan view of the headset of FIG. 7 shown in a collapsed configuration;
11 is a front elevational view of the headset of FIG. 7 shown in a collapsed configuration;
12 is a side elevational view of the headset of FIG. 7 shown in a collapsed configuration;
13 is a perspective view of a headset according to another embodiment;
14 is a front elevational view of the headset of FIG. 13 shown in a collapsed configuration;
15 is a front elevational view of the headset of FIG. 13 shown in an unfolded configuration;
16 is a top plan view of the headset of FIG. 13 shown in a collapsed configuration;
17 is a front elevational view of the headset of FIG. 13 shown in a collapsed configuration;
18 is a side elevational view of the headset of FIG. 13 shown in a collapsed configuration;
19 is a perspective view of a headset according to another embodiment.
FIG. 20 is a front perspective view of a portion of the headset of FIG. 19 shown in a collapsed configuration;
FIG. 21 is a front perspective view of a portion of the headset of FIG. 19 shown in an unfolded configuration;
22 is a top plan view of the headset of FIG. 19 shown in a collapsed configuration;
23 is a front elevational view of the headset of FIG. 19 shown in a collapsed configuration;
24 is a side elevational view of the headset of FIG. 19 shown in a collapsed configuration;
25 is a perspective view of a portion of a headset shown in an unfolded configuration according to another embodiment;
FIG. 26 is an enlarged perspective view of a portion of the headset of FIG. 25 showing the adjustable mechanism;
Fig. 27 is a partially cut-away perspective view of the headset of Fig. 25;
28 is also a front elevational view of a headset shown in an unfolded configuration according to another embodiment.

In the following description, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. However, one of ordinary skill in the art will recognize that embodiments may be practiced without one or more of these specific details, or with other methods, components, materials, etc. In other instances, well-known structures associated with virtual and augmented reality systems have not been shown or described in detail to avoid unnecessarily obscuring the descriptions of the embodiments.

Throughout the entirety of the following specification and claims, unless the context requires otherwise, the word "comprise" and variations thereof, such as "comprises" and "comprising" It may be construed in an open, inclusive sense, such as "including, but not limited to".

Reference throughout this specification to “one embodiment” or “an embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Moreover, the particular features, structures, or characteristics described may be combined in any suitable manner in one or more embodiments.

1-6 show an exemplary embodiment of a virtual or augmented reality headset 10 . The headset 10 includes a frame 12 and a pair of virtual or augmented reality eyepieces 30a, 30b supported by the frame 12 . The frame 12 comprises opposing arm members 14a, 14b, a bridge 16 positioned intermediate the opposing arm members 14a, 14b and a plurality of linear rails 18a, 18b; 20a, 20b). More specifically, two linear rails 18a , 18b , 20a , 20b are provided on respective opposite sides 22 , 24 of the frame 12 defined by the central reference plane 26 .

Each of the pair of virtual or augmented reality eyepieces 30a, 30b has an optical center 32a, 32b, and a distance between the optical centers defines an interpupillary distance (IPD). The eyepieces 30a, 30b are a plurality of linear rails to enable adjustment of the interpupillary distance (IPD) as desired to correspond to or more precisely correspond to the actual interpupillary distance between the pupils of the wearer. movably coupled to the poles 18a, 18b, 20a, 20b.

The headset 10 further includes an adjustment mechanism 34 coupled to both of the pair of virtual or augmented reality eyepieces 30a, 30b. The adjustment mechanism 34 simultaneously moves the eyepieces 30a, 30b in adjustment directions 42 , 44 aligned with the linear rails 18a , 18b , 20a , 20b to adjust the interpupillary distance IPD. operable to make The virtual or augmented reality eyepieces 30a, 30b are movable between a fully collapsed or narrowest configuration ( FIGS. 1 , 2 and 4-6 ) and a fully unfolded or widest configuration ( FIG. 3 ). Frame 12 , eyepieces 30a , 30b and rails 18a , 18b , 20a , 20b are configured relative to each other, with a fully unfolded or widest configuration of the interpupillary distance (IPD) and fully collapsed or narrowest configuration. The difference between the interpupillary distances (IPD) of the constructs is between about 20 mm and about 24 mm. As such, each individual eyepiece 30a, 30b can be adjusted to a distance between about 10 mm and 12 mm. However, it is understood that in some embodiments, more or less adjustment may be provided.

A nosepiece 36 is attached to the bridge 16 of the frame 12 to engage the nose of the user during use and to support the virtual and augmented reality eyepieces 30a, 30b in front of the user's eyes. can be provided. The nosepiece 36 may be integrally formed as part of the bridge 16 that is either fixedly fixed to the bridge 16 or removably coupled to the bridge 16 . In some embodiments, the nosepiece 36 may be removably coupleable to a base portion of the bridge 16 to lock the virtual or augmented reality eyepieces 30a, 30b in a selected position, and Movement of the adjustment mechanism 34 can be prevented. In other examples, a lock may be provided on each eyepiece 30a , 30b so that each one of the linear rails 18a , 18b , 20a , 20b is clamped or each one of the linear rails is locked clamp on In this way, the user can selectively unlock the eyepieces 30a, 30b for adjustment, adjust the eyepieces 30a, 30b transversely for a new interpupillary distance IPD, and It is possible to lock the eyepieces 30a, 30b in place at the new interpupillary distance IPD. The locking portion may prevent movement of the adjustment mechanism 34 and/or the eyepieces 30a, 30b, or otherwise lock the same, for example one or more clamps, set screws, clips or other fasteners. The lock may be spring-biased towards the locked position.

With continued reference to FIGS. 1-6 , each of the virtual or augmented reality eyepieces 30a, 30b may be arcuate, and may have a medial end and a lateral end. may include. The central end may be positioned closest to the bridge 16 of the frame 12 and the lateral end to be positioned closest to the temple region of each of the opposing arm members 14a, 14b. can The frame 12 is formed when the virtual or augmented reality eyepieces 30a, 30b are in a fully collapsed or narrowest configuration with minimal interpupillary distance (IPD) ( FIGS. 1 , 2 , 5 and 6 ); a respective arcuate profile on respective opposite sides 22 , 24 of the central reference plane 26 to at least partially nest with each one of the virtual or augmented reality eyepieces 30a , 30b . can do.

The headset 10 includes a pair of linear rails 18a, 20a and 18b of respective opposite sides 22, 24 of the frame 12 to guide each one of the virtual or augmented reality eyepieces 30a, 30b; 20b) may be included. Further, for each of the opposite sides 22 , 24 of the frame 12 , the first of the linear rails 18a , 18b guides the central end of the respective virtual or augmented reality eyepieces 30a , 30b . may be positioned closest to the bridge 16 to guide the temple, and a second one of the linear rails 20a, 20b to guide the lateral end of the respective virtual or augmented reality eyepieces 30a, 30b. It may be located closest to the area. In this way, each of the virtual or augmented reality eyepieces 30a, 30b may be coupled to two or more linear rails 18a, 20a and 18b, 20b that are offset back and forth from each other. The linear rails may be protruding rods or telescoping elements protruding from one side of the frame 12 . In some examples, the rails 18a, 18b, 20a, 20b may be substantially or completely hidden from view when in a fully collapsed or narrowest configuration, and/or when in a fully unfolded or widest configuration. .

As can be appreciated from the embodiment shown in FIGS. 1-6 , the eyepieces 30a , 30b may be generally arc-shaped, and in the extreme medial closer to the central plane 26 . It can move laterally along the linear rails 18a , 18b , 20a , 20b between a position and an extreme lateral position further away from the center plane 26 . The eyepieces 30a, 30b may be positioned in any position between the final end positions, and may be secured in place by a lock or other fastening mechanism or method of securing.

7-12 show another exemplary embodiment of a virtual or augmented reality headset 110 . The headset 110 includes a frame 112 and a pair of virtual or augmented reality eyepieces 130a, 130b supported by the frame 112 . The frame 112 comprises opposing arm members 114a, 114b, a bridge 116 positioned intermediate the opposing arm members 114a, 114b and a plurality of linear rails 118a, 118b; 120a, 120b). More specifically, two linear rails 118a , 118b , 120a , 120b are provided on respective opposite sides 122 , 124 of the frame 112 defined by the central reference plane 126 . 7 to 12 , the linear rails 118a, 118b, 120a, 120b extend beyond the range of the adjustability of the eyepieces 130a and 130b to curvilinear rails or It can be converted into rail parts.

Again, each of the pair of virtual or augmented reality eyepieces 130a, 130b has an optical center 132a, 132b, the distance between the optical centers defining the interpupillary distance (IPD). The eyepieces 130a, 130b are a plurality of linear rails to enable adjustment of the interpupillary distance (IPD) as desired to correspond to or more precisely correspond to the actual interpupillary distance between the pupils of the wearer. movably coupled to poles 118a, 118b, 120a, 120b.

The headset 110 further includes an adjustment mechanism 134 coupled to both of the pair of virtual or augmented reality eyepieces 130a, 130b. The adjustment mechanism 134 simultaneously moves the eyepieces 130a, 130b in adjustment directions 142 , 144 aligned with the linear rails 118a , 118b , 120a , 120b to adjust the interpupillary distance IPD. operable to make The virtual or augmented reality eyepieces 130a, 130b are movable between a fully collapsed or narrowest configuration ( FIGS. 7 , 8 and 10-12 ) and a fully unfolded or widest configuration ( FIG. 9 ). Frame 112 , eyepieces 130a , 130b and rails 118a , 118b , 120a , 120b are configured relative to each other, with a fully unfolded or widest configuration of the interpupillary distance (IPD) and fully collapsed or narrowest configuration. The difference between the interpupillary distances (IPD) of the constructs is between about 20 mm and about 24 mm. As such, each individual eyepiece 130a, 130b can be adjusted to a distance between about 10 mm and 12 mm. However, it is understood that in some embodiments, more or less adjustment may be provided.

Again, the nosepiece 136 is provided to the bridge 116 of the frame 112 to engage the user's nose during use and to support the virtual and augmented reality eyepieces 130a, 130b in front of the user's eyes. can be The nosepiece 136 may be integrally formed as part of the bridge 116 that is either fixedly fixed to the bridge 116 or removably coupled to the bridge 116 . In some embodiments, the nosepiece 136 may be removably coupleable to a base portion of the bridge 116 to lock the virtual or augmented reality eyepieces 130a, 130b in a selected position, and Movement of the adjustment mechanism 134 can be prevented. In other examples, a lock may be provided on each eyepiece 130a , 130b so that each one of the linear rails 118a , 118b , 120a , 120b is clamped or each one of the linear rails is a lock. clamp on In this way, the user can selectively unlock the eyepieces 130a, 130b for adjustment, adjust the eyepieces 130a, 130b transversely for a new interpupillary distance IPD, and It is possible to lock the eyepieces 130a, 130b in place at the new interpupillary distance IPD. A lock may be used to prevent movement of the adjustment mechanism 134 and/or the eyepieces 130a , 130b , or otherwise hold the same parts in place, for example one or more clamps, a set screw. bolts, clips or other fasteners. The lock may be spring-biased towards the locked position.

With continued reference to FIGS. 7-12 , each of the virtual or augmented reality eyepieces 130a, 130b may be arcuate and may include a medial end and a lateral end. have. The central end may be positioned closest to the bridge 116 of the frame 112 and the lateral end to be positioned closest to the temple area of each of the opposing arm members 114a, 114b. can Frame 112 may include a respective arcuate profile on respective opposite sides 122, 124 of central reference plane 126 that generally orients the profile of respective virtual or augmented reality eyepieces 130a, 130b. can

The headset 110 includes a pair of linear rails 118a, 120a and 118b of respective opposite sides 122, 124 of the frame 112 to guide each one of the virtual or augmented reality eyepieces 130a, 130b; 120b). Further, for each of the opposite sides 122 , 124 of the frame 112 , the first of the linear rails 118a , 118b is an upper portion of the central end of the respective virtual or augmented reality eyepieces 130a , 130b . may be positioned closest to the bridge 116 in the upper region of the headset 110 to guide the portion, and the second of the linear rails 120a, 120b is the respective virtual or augmented reality eyepieces 130a , 130b) may be positioned closest to the bridge 116 in the lower region of the headset 110 to guide the lower portion of the central end. In this way, the two or more rails 118a , 120a and 118b , 120b respectively opposing sides 122 , 124 of the frame 112 to guide each one of the virtual or augmented reality eyepieces 130a , 130b . may be provided on the Two or more linear rails 118a , 120a and 118b , 120b on each side 122 , 124 are most attached to the bridge 16 to guide the central end of the respective virtual or augmented reality eyepieces 130a , 130b . It can be positioned close, and can support the eyepiece in a cantilevered manner. The two linear rails 118a , 120a and 118b , 120b on respective opposite sides 122 , 124 of the frame 112 can be vertically offset from each other, and each arm member of the frame 112 ( A fork structure may be formed together with 114a and 114b. The eyepieces 130a and 130b may be accommodated in tines having a fork-shaped structure. In an alternative embodiment, two linear rails 118a , 120a and 118b , 120b on respective opposite sides 122 , 124 of frame 112 and a portion of bridge 116 include eyepieces 130a , 130b . may form a forked structure oriented away from the central plane 126 to support the

As can be appreciated from the embodiment shown in FIGS. 7-12 , the eyepieces 130a , 130b may be generally arc-shaped, and in the extreme medial closer to the center plane 126 . It can move laterally along the linear rails 118a , 118b , 120a , 120b between a position and an extreme lateral position further away from the central plane 126 . The eyepieces 130a, 130b may be positioned in any position between the final end positions, and secured in place by a lock or other fastening mechanism or method of securing.

13-18 show another example embodiment of a virtual or augmented reality headset 210 . The headset 210 includes a frame 212 and a pair of virtual or augmented reality eyepieces 230a, 230b supported by the frame 212 . Frame 212 includes opposing arm members 214a, 214b, a bridge 216 positioned intermediate opposing arm members 214a, 214b, and a plurality of linear rails 220a, 220b. have More specifically, a single linear rail 220a , 220b is provided on respective opposite sides 222 , 224 of the frame 212 defined by the central reference plane 226 . 13 to 18, the linear rails 220a, 220b can be converted into curvilinear rails or rail portions beyond the range of the adjustable performance of the eyepieces 230a, 230b. have.

Again, each of the pair of virtual or augmented reality eyepieces 230a, 230b has an optical center 232a, 232b, the distance between the optical centers defining the interpupillary distance IPD. The eyepieces 230a, 230b are a plurality of linear rails to enable adjustment of the interpupillary distance (IPD) as desired to correspond to or more precisely correspond to the actual pupil distance between the pupils of the wearer. It is movably coupled to the poles 220a, 220b.

The headset 210 further includes an adjustment mechanism 234 coupled to both of the pair of virtual or augmented reality eyepieces 230a, 230b. The adjustment mechanism 234 is operable to simultaneously move the eyepieces 230a, 230b in adjustment directions 242, 244 aligned with the linear rails 220a, 220b to adjust the IPD. do. The virtual or augmented reality eyepieces 230a, 230b are movable between a fully collapsed or narrowest configuration ( FIGS. 13 , 14 and 16-18 ) and a fully unfolded or widest configuration ( FIG. 15 ). Frame 212 , eyepieces 230a , 230b , and rails 220a , 220b are configured relative to each other, such that a pupil distance (IPD) in a fully unfolded or widest configuration and a pupil in a fully collapsed or narrowest configuration. The difference between the distances (IPD) is about 20 mm to about 24 mm. As such, each individual eyepiece 230a, 230b can be adjusted to a distance between about 10 mm and 12 mm. However, it is understood that in some embodiments, more or less adjustment may be provided.

Again, the nosepiece 236 is provided to the bridge 216 of the frame 212 to engage the nose of the user during use and to support the virtual and augmented reality eyepieces 230a, 230b in front of the user's eyes. can be The nosepiece 236 may be integrally formed as part of the bridge 216 that is either fixedly fixed to the bridge 216 or removably coupled to the bridge 216 . In some embodiments, the nosepiece 236 may be removably coupleable to a base portion of the bridge 216 to lock the virtual or augmented reality eyepieces 230a, 230b in a selected position, and Movement of the adjustment mechanism 234 can be prevented. In other examples, a lock may be provided on each eyepiece 230a , 230b to clamp to a respective one of the linear rails 220a , 220b or each one of the linear rails to clamp the lock to the lock. In this way, the user can selectively unlock the eyepieces 230a, 230b for adjustment, adjust the eyepieces 230a, 230b transversely for a new interpupillary distance (IPD), and It is possible to lock the eyepieces 230a, 230b in place at the new interpupillary distance (IPD). A lock may prevent movement of the adjustment mechanism 234 and/or the eyepieces 230a, 230b, or otherwise hold the same in place, eg, one or more clamps, a set screw, bolts, clips or other fasteners. The lock may be spring-biased towards the locked position.

With continued reference to FIGS. 13-18 , each of the virtual or augmented reality eyepieces 230a , 230b may be arcuate and may include a medial end and a lateral end. have. The central end may be positioned closest to the bridge 216 of the frame 212 and the lateral end to be positioned closest to the temple region of each of the opposing arm members 214a, 214b. can Frame 212 may include a respective arcuate profile on respective opposite sides 222 , 224 of central reference plane 226 that generally transitions with the profile of respective eyepieces 230a , 230b .

The headset 210 includes a single linear rail 220a , 220b of respective opposite sides 222 , 224 of the frame 212 to guide each one of the virtual or augmented reality eyepieces 230a , 230b . The linear rails 220a, 220b of each side 222, 224 can be positioned spaced apart from the bridge 216, and each eyepiece 230a, 230b to guide only the lower portion of the eyepiece 230a, 230b. ) can be underlie.

As can be appreciated from the embodiment shown in FIGS. 13-18 , the eyepieces 230a , 230b may be generally arc-shaped, and in the extreme medial closer to the center plane 226 . It can move laterally along the linear rails 220a , 220b between a position and an extreme lateral position further away from the central plane 226 . The eyepieces 230a, 230b may be positioned in any position between the final end positions and secured in place by a lock or other fastening mechanism or method of securing.

19-24 show another example embodiment of a virtual or augmented reality headset 310 . The headset 310 includes a frame 312 and a pair of virtual or augmented reality eyepieces 330a and 330b supported by the frame 312 . Frame 312 includes opposing arm members 314a, 314b, a bridge 316 positioned intermediate opposing arm members 314a, 314b, and a plurality of linear rails 318a, 318b. have More specifically, a single linear rail 318a , 318b is provided on respective opposite sides 322 , 324 of the frame 312 defined by a central reference plane 326 . 19-24, the linear rails 318a, 318b may be concealed or substantially concealed within the eyepieces 330a, 330b.

Again, each of the pair of virtual or augmented reality eyepieces 330a, 330b has an optical center 332a, 332b, the distance between the optical centers defining the interpupillary distance (IPD). The eyepieces 330a, 330b are a plurality of linear rails to enable adjustment of the interpupillary distance (IPD) as desired to correspond to or more precisely correspond to the actual pupil distance between the pupils of the wearer. movably coupled to the poles 318a, 318b.

The headset 310 further includes an adjustment mechanism 334 coupled to both of the pair of virtual or augmented reality eyepieces 330a, 330b. The adjustment mechanism 334 is operable to simultaneously move the eyepieces 330a, 330b in adjustment directions 342, 344 aligned with the linear rails 318a, 318b to adjust the interpupillary distance (IPD). do. The virtual or augmented reality eyepieces 330a, 330b are movable between a fully collapsed or narrowest configuration ( FIGS. 19 , 20 and 22-24 ) and a fully unfolded or widest configuration ( FIG. 21 ). Frame 312 , eyepieces 330a , 330b , and rails 318a , 318b are configured relative to each other, such that a pupil distance (IPD) in a fully unfolded or widest configuration and a pupil in a fully collapsed or narrowest configuration. The difference between the distances (IPD) is about 20 mm to about 24 mm. As such, each individual eyepiece 330a, 330b can be adjusted to a distance between about 10 mm and 12 mm. However, it is understood that in some embodiments, more or less adjustment may be provided.

Again, the nosepiece 336 is provided to the bridge 316 of the frame 312 to engage the user's nose during use and to support the virtual and augmented reality eyepieces 330a, 330b in front of the user's eyes. can be The nosepiece 336 may be integrally formed as part of the bridge 316 that is either fixedly fixed to the bridge 316 or removably coupled to the bridge 316 . In some embodiments, the nosepiece 336 may be removably coupleable to a base portion of the bridge 316 to lock the virtual or augmented reality eyepieces 330a, 330b in a selected position, and Movement of the adjustment mechanism 334 can be prevented. In other examples, a lock may be provided on each eyepiece 330a , 330b to clamp to a respective one of the linear rails 318a , 318b or each one of the linear rails to clamp the lock to the lock. In this way, the user can selectively unlock the eyepieces 330a, 330b for adjustment, adjust the eyepieces 330a, 330b transversely for a new interpupillary distance (IPD), and It is possible to lock the eyepieces 330a and 330b in place at the new interpupillary distance IPD. The locking portion may prevent movement of the adjustment mechanism 334 and/or the eyepieces 330a, 330b, or otherwise hold the same portions in place, eg, one or more clamps, a set screw, bolts, clips or other fasteners. The lock may be spring-biased towards the locked position.

With continued reference to FIGS. 19-24 , each of the virtual or augmented reality eyepieces 330a , 330b may include a straight-line structure having flared lateral ends. The central end of each eyepiece 330a , 330b may be positioned closest to the bridge 316 of the frame 312 , and the lateral end of each of the opposing arm members 314a , 314b is one temple area. can be positioned closest to Frame 312 may include a respective straight structure on respective opposite sides 322 , 324 of central reference plane 326 that generally mimics the structure of respective eyepieces 330a , 330b .

The headset 310 includes a single linear rail 318a , 318b of respective opposite sides 322 , 324 of the frame 312 to guide each one of the virtual or augmented reality eyepieces 330a , 330b . The linear rails 318a, 318b of each side 322, 324 are above a horizontal plane defined by the optical centers of the eyepieces 330a, 330b to guide only the upper portion of the eyepieces 330a, 330b. can be located. Eyepiece 330a, 330b may hang from rails 318a, 318b.

As can be appreciated from the embodiment shown in FIGS. 19-24 , the eyepieces 330a , 330b may be a generally straight structure, and in an extreme medial position closer to the central plane 326 . and an extreme lateral position further away from the central plane 326 . The eyepieces 330a, 330b may be positioned in any position between the final end positions, and secured in place by a lock or other fastening mechanism or method of securing.

25-27 show another example embodiment of a virtual or augmented reality headset 410 . The headset 410 includes a frame 412 and a pair of virtual or augmented reality eyepieces 430a, 430b supported by the frame 412 . The frame has opposing arm members 414a, 414b, a bridge 416 positioned intermediate the opposing arm members 414a, 414b, and an adjustment mechanism 434. The adjustment mechanism 434 includes a rotary dial 436 having a coaxial output shaft or a pin 438 axially extending and rotatably coupled to the bridge 416 . do. A pair of gear pinions 440a , 440b are mounted to the output pin 438 and positioned on opposite sides of the rotary dial 436 . Gear pinions 440b may be a mirror image of gear pinion 440a and may simply be oriented across the plane that bisects rotary dial 436 and is perpendicular to its axis of rotation. Each of the gear pinions 440a, 440b is sized and shaped to releasably and simultaneously engage a respective gear rack 442a, 442b. Respective gear racks 442a, 442b are coupleable to respective virtual or augmented reality eyepieces 430a, 430b.

With continued reference to FIGS. 25-27 , each of the opposing arm members 414a , 414b includes a respective guide pin 444 coupled to the opposing arm members. Guide pins 444 are positioned closest to the temple area, and more particularly between the wearer's temple area and the ear area. Each of the guide pins 444 extends through respective arm member openings 446 and is received by a respective eyepiece opening 448 . A cylindrical projection 450 extends inwardly from each eyepiece opening 448 . The cylindrical projection 450 is sized and shaped to be slidably received by the respective arm member openings 446 when the headset 410 is in a folded or narrowest configuration. In some embodiments, the arm member openings 446 may include a counterbore, or countersink, such that the guide pin 444 is positioned on the inner surface of the opposing arm members 414a, 414b. to substantially or completely hide the guide pins 444 from view when in the fully collapsed or narrowest configuration and/or when in the fully unfolded or widest configuration. Furthermore, in some embodiments, the opposing arm member opening 446 reduces wear and friction, and for guiding or limiting motion of the headset 410 , bushings coupled to the opposing arm member opening 446 . (busings) may be included. The bushings may be lubricated or unlubricated.

With continued reference to FIGS. 25-27 , rotation of gear pinions 440a , 440b in a clockwise direction through rotary dial 436 causes gear pinions 440a , 440b to rotate through respective gear racks 442a. , 442b) causes it to engage. This engagement moves the virtual or augmented reality eyepieces 430a , 430b approximately equal distances simultaneously and outward relative to the rotary dial 436 . Moreover, at the temporary or lateral end, the guide pins 444 guide the virtual or augmented reality eyepieces 430a, 430b while the guide pins move outward relative to the opposing arm members 414a, 414b. assist with Conversely, counterclockwise rotation of rotary dial 436 causes gear racks 442a and 442b to move inward relative to rotary dial 436 simultaneously and approximately equal distances. Similarly, guide pins 444 assist in guiding the virtual or augmented reality eyepieces 430a, 430b while the guide pins move inward relative to opposing arm members 414a, 414b.

By manipulating the adjustment mechanism 434 to move the virtual or augmented reality eyepieces 430a, 430b inward or outward, the interpupillary distance (IPD) can be conveniently controlled by the user. By way of example, in the illustrated embodiment of headset 410 , gear racks 442a , 442b are sized and shaped to allow movement of virtual or augmented reality eyepieces 430a , 430b relative to rotary dial 436 . Thus, the difference between the interpupillary distance (IPD) in the fully unfolded or widest configuration ( FIGS. 25-27 ) and in the fully collapsed or narrowest configuration is between about 10 mm and about 12 mm. . However, it is understood that in some embodiments, more or less adjustment may be provided.

To allow user access to the rotary dial 436 , the bridge 416 includes a recess 452 , through which a portion of the rotary dial 436 projects outward. The user may rotate the rotary dial 436 to adjust the interpupillary distance (IPD) until an optimal interpupillary distance (IPD) for the user is determined. Once the optimal interpupillary distance (IPD) is established, each of the virtual or augmented reality eyepieces 430a, 430b can be locked in place via a lock. The locking portion may prevent movement of the adjustment mechanism 34 and/or the eyepieces 430a, 430b, or otherwise lock the same, for example one or more clamps, set screws, clips or other fasteners. The lock may be spring-biased towards the locked position.

The adjustable mechanism 434 may further include a cover 453 for releasably attaching to the recess 452 in the bridge 416 . The cover 453 may substantially seal the adjustable instrument 434 from entry of the environment, such as water or moisture, and may also selectively control access to the rotary dial 436 during use. In some embodiments, cover 453 snaps into place when matingly received by a female connector positioned within recess 452 of bridge 416 . It may include male connectors that can be used. In other embodiments, cover 453 may include any number of posts or pegs that may extend outward. The posts or pegs may be received by holes or dents in the recess 452 of the bridge 416 to releasably secure the cover 453 to the bridge 416 . As can be appreciated from the foregoing, other mechanisms may be used to releasably attach cover 453 to headset 410 .

28 depicts another exemplary embodiment of a virtual or augmented reality headset 510 in its unfolded or widest configuration. The headset includes a frame 512 and a pair of virtual or augmented reality eyepieces 530a, 530b supported by the frame 512 . The frame has opposing arm members 514a, 514b, a bridge 516 positioned intermediate the opposing arm members 514a, 514b, and a plurality of linear rails 518a, 518b. More specifically, a single linear rail 518a , 518b is provided on respective opposite sides 522 , 524 of the frame 512 defined by a central reference plane 526 .

Again, each of the pair of virtual or augmented reality eyepieces 530a, 530b has an optical center 532a, 532b, the distance between the optical centers defining the interpupillary distance (IPD). The eyepieces 530a, 530b are plural to enable adjustment of the IPD as desired to correspond to or more precisely correspond to the actual IPD between the pupils of the wearer. movably coupled to the linear rails 518a, 518b of

The headset 510 further includes an adjustment mechanism 534 coupled to both of the pair of virtual or augmented reality eyepieces 530a, 530b. The adjustment mechanism illustrated in FIG. 28 is a linear actuator device 560 such as a lead screw, jackscrew, ball screw, roller screw to convert rotational motion into linear motion. (roller screw), or other types of devices capable of mechanically converting rotational motion into linear motion. By way of example, FIG. 28 illustrates a lead screw with a portion of hardware, such as a control knob, nuts, etc., removed for clarity. Linear actuator device 560 is coupled to a pair of links 562a, 562b. Links 562a and 562b are angularly spaced from each other and about a central reference plane 526 . At the lower end, links 562a, 562b are coupled to respective linear rails 518a, 518b.

The adjustment mechanism 534 allows the user to manipulate the interpupillary distance (IPD) by moving the virtual or augmented reality eyepieces 530a , 530b inward or outward relative to the adjustment mechanism 534 . The user may rotate the control knob of the linear actuator device 560 in a clockwise direction, which causes a linear extension of the axis of the linear actuator device 560 . This linear extension causes an increase in the angular displacement of the links 562a, 562b relative to each other, resulting in an increase in the angular displacement of the respective rails 518a, 518b and the virtual or augmented reality eyepieces 530a, 530b. Generates an outward linear transition. Conversely, the user may rotate the control knob of the linear actuator device 560 counterclockwise to cause inward movement of the virtual or augmented reality eyepieces 530a, 530b in a similar manner.

The adjustment mechanism 534 may be substantially or completely hidden from view by housing the adjustment mechanism 534 within the bridge 516 . Bridge 516 may further include a recess to allow a portion of the control knob to protrude outward. The cover may releasably attach to the recess in bridge 516 . The cover may substantially seal the adjustable instrument 534 from entry of the environment, such as water or moisture, and may also selectively control access to the control knob during use. In some embodiments, the cover may include male connectors that may snap into place when matingly received by a female connector positioned within a recess of bridge 516 . In other embodiments, the cover may include any number of posts or pegs that may extend outward. The posts or pegs may be received by holes or dents in the recess of the bridge 516 to releasably secure the cover to the bridge 516 . As can be appreciated from the foregoing, other mechanisms may be used to releasably attach the cover to the headset 510 .

In some embodiments, the adjustment mechanisms described herein may be electro-mechanically controlled. The one or more motors may be electro-mechanically coupled to a linear actuator device, such as a lead screw, jack screw, ball screw, roller screw, or the like. The rotational motion of the motors may be converted to linear motion via a linear actuator device to cause inward or outward movement of the virtual or augmented reality eyepieces. The motors may be servo motors, stepper motors, or other types of electric motors. To control the movement of the virtual or augmented reality eyepieces, the motors may be electrically coupled to the electronic controller. The electronic controller may include a microcontroller and a motor driver to control and drive the motors. Moreover, a microcontroller may include a microprocessor, memory, and a plurality of peripherals to form a system on a chip that may be applicable for a wide variety of applications.

In some embodiments, the adjustment mechanism may include one or more piezoelectric motors. The one or more piezoelectric motors may include piezoelectric linear actuators to be coupled to the virtual or augmented reality eyepieces to cause inward or outward movement of the virtual or augmented reality eyepieces. can To control the movement of the virtual or augmented reality eyepieces, piezoelectric motors may be electrically coupled to an electronic controller. The electronic controller may include a microcontroller and a piezoelectric motor driver to control and drive the piezoelectric motor. Moreover, a microcontroller may include a microprocessor, memory, and a plurality of peripherals to form a system on a chip that may be applicable for a wide variety of applications.

Moreover, the various embodiments described above may be combined to provide additional embodiments. U.S. Patent Application Serial No. 61/891,801, filed on October 16, 2013, is incorporated herein by reference in its entirety, and aspects of the embodiments, if necessary, also to provide further embodiments. It can be modified to take advantage of the concepts of application.

These and other changes may be made to the embodiments in light of the detailed description above. Generally, in the following claims, the terms used should not be construed as limiting the claims to the specific embodiments disclosed in the specification and claims, however, to the extent of those claims to which they are entitled. It should not be construed as including all possible embodiments with the full scope of equivalents. Accordingly, the claims are not limited by the present disclosure.

Claims (36)

A virtual or augmented reality headset comprising:
a frame comprising opposing arm members and a bridge portion positioned intermediate the opposing arm members;
a pair of virtual or augmented reality eyepieces each having an optical center, the pair of virtual or augmented reality eyepieces being movably coupled to the frame to enable adjustment of an interpupillary distance between the optical centers coupled—; and
an adjustment mechanism coupled to both of the pair of virtual or augmented reality eyepieces and operable to simultaneously move the pair of virtual or augmented reality eyepieces to adjust a pupillary distance;
the adjustment mechanism causes a plurality of links to increase a pupillary distance between the optical centers of the pair of virtual or augmented reality eyepieces due to movement of the linear actuator in a first direction, and a second opposite to the first direction. the pair of virtual or augmented links by a plurality of links arranged such that movement of the linear actuator in the direction causes the plurality of links to reduce the interpupillary distance between the optical centers of the pair of virtual or augmented reality eyepieces. a linear actuator physically coupled to the real eyepieces;
the frame comprises two or more linear rails vertically offset from each other on respective opposite sides of the frame to guide a respective one of the virtual or augmented reality eyepieces;
for each of the opposite sides of the frame, two or more linear rails and an arm member form a fork structure;
Virtual or augmented reality headset. The method of claim 1,
wherein the virtual or augmented reality eyepieces are movable between a narrowest configuration and a widest configuration, and wherein the difference between the pupil distance in the widest configuration and the pupil distance in the narrowest configuration is between 20 mm and 24 mm.
Virtual or augmented reality headset. The method of claim 1,
wherein the adjustment mechanism is coupled to the bridge portion, and wherein the linear actuator includes a user-operable control to selectively adjust the position of each of the virtual or augmented reality eyepieces at the same time.
Virtual or augmented reality headset. 4. The method of claim 3,
further comprising a selectively removable cover, wherein the cover is configured by the user to alternatively provide access to the user-operable control and prevent access to the user-operable control. optionally positionable,
Virtual or augmented reality headset. 4. The method of claim 3,
wherein the user-operable control is constrained to translate back and forth in directions perpendicular to the horizontal adjustment directions of the virtual or augmented reality eyepieces.
Virtual or augmented reality headset. The method of claim 1,
wherein the frame further comprises a lock to selectively secure the virtual or augmented reality eyepieces in a selected position.
Virtual or augmented reality headset. The method of claim 1,
wherein the bridge portion includes a nosepiece for engaging the nose of a user and supporting the virtual or augmented reality eyepieces in front of the user's eyes.
Virtual or augmented reality headset. 8. The method of claim 7,
the bridge portion further comprises a base, wherein the nosepiece is removably coupleable to a base for selectively locking the virtual or augmented reality eyepieces in a selected position;
Virtual or augmented reality headset. 8. The method of claim 7,
wherein the bridge portion further comprises a base, wherein the nosepiece is adjustably coupleable to the base;
Virtual or augmented reality headset. The method of claim 1,
a motor electro-mechanically coupled to the linear actuator; and
the motor, the linear actuator, and an electronic controller electrically coupled to the motor to control movement of virtual or augmented reality pieces through the plurality of links;
Virtual or augmented reality headset. The method of claim 1,
Each virtual or augmented reality eyepiece is arcuate and includes a central end and a lateral end, the central end positioned closest to the bridge of the frame, and the lateral end of each of the opposing arm members positioned closest to one temple area of
Virtual or augmented reality headset. 12. The method of claim 11,
The frame is configured such that each of the frame is at least partially nested with a respective one of the virtual or augmented reality eyepieces when the virtual or augmented reality eyepieces are in a fully collapsed or narrowest configuration with minimal pupillary distance. each arcuate profile on opposite sides;
Virtual or augmented reality headset. The method of claim 1,
For each of the opposite sides of the frame, two linear rails are positioned near the bridge portion to guide the central end of the respective virtual or augmented reality eyepieces, and cantilevered the respective virtual or augmented reality eyepieces. supported by
Virtual or augmented reality headset. The method of claim 1,
the forked structure supports each one of the virtual or augmented reality eyepieces;
Virtual or augmented reality headset. A virtual or augmented reality headset comprising:
a frame comprising opposing arm members and a bridge portion positioned intermediate the opposing arm members;
a pair of virtual or augmented reality eyepieces each having an optical center, the pair of virtual or augmented reality eyepieces being movably coupled to the frame to enable adjustment of an interpupillary distance between the optical centers coupled—; and
an adjustment mechanism coupled to both of the pair of virtual or augmented reality eyepieces and operable to simultaneously move the pair of virtual or augmented reality eyepieces to adjust a pupillary distance;
the adjustment mechanism causes a plurality of links to increase a pupillary distance between the optical centers of the pair of virtual or augmented reality eyepieces due to movement of the linear actuator in a first direction, and a second opposite to the first direction. the pair of virtual or augmented links by a plurality of links arranged such that movement of the linear actuator in the direction causes the plurality of links to reduce the interpupillary distance between the optical centers of the pair of virtual or augmented reality eyepieces. a linear actuator physically coupled to the real eyepieces;
the frame comprises two or more linear rails on respective opposite sides of the frame that are vertically offset from each other to guide a respective one of the virtual or augmented reality eyepieces;
for each of opposite sides of the frame, the two or more linear rails and a portion of the bridge form a forked structure configured to support a respective one of the virtual or augmented reality eyepieces;
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